[llvm-bugs] [Bug 27995] New: ICE on trunk Clang, Assertion Op.getValueType().getScalarType().getSizeInBits()
via llvm-bugs
llvm-bugs at lists.llvm.org
Fri Jun 3 12:07:27 PDT 2016
https://llvm.org/bugs/show_bug.cgi?id=27995
Bug ID: 27995
Summary: ICE on trunk Clang, Assertion
Op.getValueType().getScalarType().getSizeInBits()
Product: clang
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: -New Bugs
Assignee: unassignedclangbugs at nondot.org
Reporter: anton.mitrokhin at phystech.edu
CC: llvm-bugs at lists.llvm.org
Classification: Unclassified
Created attachment 16463
--> https://llvm.org/bugs/attachment.cgi?id=16463&action=edit
Reproducer
Reproduce:
> clang++ -std=c++11 -O3 -fslp-vectorize-aggressive -march=knl -o out.o -c crash_0.cpp
Output:
clang-3.9:
/export/users/amitrokh/llvm/llvm-trunk/lib/CodeGen/SelectionDAG/TargetLowering.cpp:433:
bool llvm::TargetLowering::SimplifyDemandedBits(llvm::SDValue, const
llvm::APInt&, llvm::APInt&, llvm::APInt&,
llvm::TargetLowering::TargetLoweringOpt&, unsigned int) const: Assertion
`Op.getValueType().getScalarType().getSizeInBits() == BitWidth && "Mask size
mismatches value type size!"' failed.
#0 0x000000000114a6d5 llvm::sys::PrintStackTrace(llvm::raw_ostream&)
(/export/users/amitrokh/llvm/bin-trunk/bin/clang-3.9+0x114a6d5)
#1 0x0000000001148486 llvm::sys::RunSignalHandlers()
(/export/users/amitrokh/llvm/bin-trunk/bin/clang-3.9+0x1148486)
#2 0x00000000011486b1 SignalHandler(int)
(/export/users/amitrokh/llvm/bin-trunk/bin/clang-3.9+0x11486b1)
#3 0x00007f5da77b6100 __restore_rt (/lib64/libpthread.so.0+0xf100)
#4 0x00007f5da69e45f7 __GI_raise (/lib64/libc.so.6+0x355f7)
#5 0x00007f5da69e5ce8 __GI_abort (/lib64/libc.so.6+0x36ce8)
#6 0x00007f5da69dd566 __assert_fail_base (/lib64/libc.so.6+0x2e566)
#7 0x00007f5da69dd612 (/lib64/libc.so.6+0x2e612)
#8 0x00000000018420f9 llvm::TargetLowering::SimplifyDemandedBits(llvm::SDValue,
llvm::APInt const&, llvm::APInt&, llvm::APInt&,
llvm::TargetLowering::TargetLoweringOpt&, unsigned int) const
(/export/users/amitrokh/llvm/bin-trunk/bin/clang-3.9+0x18420f9)
#9 0x000000000183d420 llvm::TargetLowering::SimplifyDemandedBits(llvm::SDValue,
llvm::APInt const&, llvm::APInt&, llvm::APInt&,
llvm::TargetLowering::TargetLoweringOpt&, unsigned int) const
(/export/users/amitrokh/llvm/bin-trunk/bin/clang-3.9+0x183d420)
#10 0x000000000183d420
llvm::TargetLowering::SimplifyDemandedBits(llvm::SDValue, llvm::APInt const&,
llvm::APInt&, llvm::APInt&, llvm::TargetLowering::TargetLoweringOpt&, unsigned
int) const (/export/users/amitrokh/llvm/bin-trunk/bin/clang-3.9+0x183d420)
#11 0x0000000001701ea7 (anonymous
namespace)::DAGCombiner::SimplifyDemandedBits(llvm::SDValue)
(/export/users/amitrokh/llvm/bin-trunk/bin/clang-3.9+0x1701ea7)
#12 0x000000000170b741 (anonymous
namespace)::DAGCombiner::visitOR(llvm::SDNode*)
(/export/users/amitrokh/llvm/bin-trunk/bin/clang-3.9+0x170b741)
#13 0x000000000173539e (anonymous namespace)::DAGCombiner::visit(llvm::SDNode*)
(/export/users/amitrokh/llvm/bin-trunk/bin/clang-3.9+0x173539e)
#14 0x000000000173798c (anonymous
namespace)::DAGCombiner::combine(llvm::SDNode*)
(/export/users/amitrokh/llvm/bin-trunk/bin/clang-3.9+0x173798c)
#15 0x000000000173957b llvm::SelectionDAG::Combine(llvm::CombineLevel,
llvm::AAResults&, llvm::CodeGenOpt::Level)
(/export/users/amitrokh/llvm/bin-trunk/bin/clang-3.9+0x173957b)
#16 0x000000000181252c llvm::SelectionDAGISel::CodeGenAndEmitDAG()
(/export/users/amitrokh/llvm/bin-trunk/bin/clang-3.9+0x181252c)
#17 0x000000000181ad5a
llvm::SelectionDAGISel::SelectAllBasicBlocks(llvm::Function const&)
(/export/users/amitrokh/llvm/bin-trunk/bin/clang-3.9+0x181ad5a)
#18 0x000000000181cf34
llvm::SelectionDAGISel::runOnMachineFunction(llvm::MachineFunction&)
(/export/users/amitrokh/llvm/bin-trunk/bin/clang-3.9+0x181cf34)
#19 0x00000000007d36a4 (anonymous
namespace)::X86DAGToDAGISel::runOnMachineFunction(llvm::MachineFunction&)
(/export/users/amitrokh/llvm/bin-trunk/bin/clang-3.9+0x7d36a4)
#20 0x0000000000b31fb4
llvm::MachineFunctionPass::runOnFunction(llvm::Function&)
(/export/users/amitrokh/llvm/bin-trunk/bin/clang-3.9+0xb31fb4)
#21 0x0000000000dc46d3 llvm::FPPassManager::runOnFunction(llvm::Function&)
(/export/users/amitrokh/llvm/bin-trunk/bin/clang-3.9+0xdc46d3)
#22 0x0000000000dc4a8b llvm::FPPassManager::runOnModule(llvm::Module&)
(/export/users/amitrokh/llvm/bin-trunk/bin/clang-3.9+0xdc4a8b)
#23 0x0000000000dc4d9f llvm::legacy::PassManagerImpl::run(llvm::Module&)
(/export/users/amitrokh/llvm/bin-trunk/bin/clang-3.9+0xdc4d9f)
#24 0x000000000129c992 clang::EmitBackendOutput(clang::DiagnosticsEngine&,
clang::CodeGenOptions const&, clang::TargetOptions const&, clang::LangOptions
const&, llvm::DataLayout const&, llvm::Module*, clang::BackendAction,
llvm::raw_pwrite_stream*)
(/export/users/amitrokh/llvm/bin-trunk/bin/clang-3.9+0x129c992)
#25 0x00000000018f6636
clang::BackendConsumer::HandleTranslationUnit(clang::ASTContext&)
(/export/users/amitrokh/llvm/bin-trunk/bin/clang-3.9+0x18f6636)
#26 0x0000000001d04a6b clang::ParseAST(clang::Sema&, bool, bool)
(/export/users/amitrokh/llvm/bin-trunk/bin/clang-3.9+0x1d04a6b)
#27 0x00000000018f69eb clang::CodeGenAction::ExecuteAction()
(/export/users/amitrokh/llvm/bin-trunk/bin/clang-3.9+0x18f69eb)
#28 0x00000000015c6aa6 clang::FrontendAction::Execute()
(/export/users/amitrokh/llvm/bin-trunk/bin/clang-3.9+0x15c6aa6)
#29 0x00000000015a0c8e
clang::CompilerInstance::ExecuteAction(clang::FrontendAction&)
(/export/users/amitrokh/llvm/bin-trunk/bin/clang-3.9+0x15a0c8e)
#30 0x000000000165b3ec
clang::ExecuteCompilerInvocation(clang::CompilerInstance*)
(/export/users/amitrokh/llvm/bin-trunk/bin/clang-3.9+0x165b3ec)
#31 0x00000000006f9d78 cc1_main(llvm::ArrayRef<char const*>, char const*,
void*) (/export/users/amitrokh/llvm/bin-trunk/bin/clang-3.9+0x6f9d78)
#32 0x00000000006cdf0f main
(/export/users/amitrokh/llvm/bin-trunk/bin/clang-3.9+0x6cdf0f)
#33 0x00007f5da69d0b15 __libc_start_main (/lib64/libc.so.6+0x21b15)
#34 0x00000000006f5e05 _start
(/export/users/amitrokh/llvm/bin-trunk/bin/clang-3.9+0x6f5e05)
Stack dump:
0. Program arguments: /export/users/amitrokh/llvm/bin-trunk/bin/clang-3.9
-cc1 -triple x86_64-unknown-linux-gnu -emit-obj -disable-free -main-file-name
crash_0.cpp -mrelocation-model static -mthread-model posix -fmath-errno
-masm-verbose -mconstructor-aliases -munwind-tables -fuse-init-array
-target-cpu knl -momit-leaf-frame-pointer -dwarf-column-info
-debugger-tuning=gdb -coverage-file
/export/users/amitrokh/forCreduce/untracked/clang_dominator/out.o -resource-dir
/export/users/amitrokh/llvm/bin-trunk/bin/../lib/clang/3.9.0 -internal-isystem
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/../../../../include/c++/4.8.5
-internal-isystem
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/../../../../include/c++/4.8.5/x86_64-redhat-linux
-internal-isystem
/usr/lib/gcc/x86_64-redhat-linux/4.8.5/../../../../include/c++/4.8.5/backward
-internal-isystem /usr/local/include -internal-isystem
/export/users/amitrokh/llvm/bin-trunk/bin/../lib/clang/3.9.0/include
-internal-externc-isystem /include -internal-externc-isystem /usr/include -O3
-std=c++11 -fdeprecated-macro -fdebug-compilation-dir
/export/users/amitrokh/forCreduce/untracked/clang_dominator -ferror-limit 19
-fmessage-length 237 -fobjc-runtime=gcc -fcxx-exceptions -fexceptions
-fdiagnostics-show-option -fcolor-diagnostics -vectorize-loops -vectorize-slp
-vectorize-slp-aggressive -o out.o -x c++ crash_0.cpp
1. <eof> parser at end of file
2. Code generation
3. Running pass 'Function Pass Manager' on module 'crash_0.cpp'.
4. Running pass 'X86 DAG->DAG Instruction Selection' on function
'@_Z3fn1v'
clang-3.9: error: unable to execute command: Aborted (core dumped)
clang-3.9: error: clang frontend command failed due to signal (use -v to see
invocation)
clang version 3.9.0 (trunk 271379)
Target: x86_64-unknown-linux-gnu
Thread model: posix
InstalledDir: /export/users/amitrokh/llvm/bin-trunk/bin
clang-3.9: note: diagnostic msg: PLEASE submit a bug report to
http://llvm.org/bugs/ and include the crash backtrace, preprocessed source, and
associated run script.
clang-3.9: note: diagnostic msg:
********************
PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:
Preprocessed source(s) and associated run script(s) are located at:
clang-3.9: note: diagnostic msg: /tmp/crash_0-4f1415.cpp
clang-3.9: note: diagnostic msg: /tmp/crash_0-4f1415.sh
clang-3.9: note: diagnostic msg:
********************
> clang -v
clang version 3.9.0 (trunk 271379)
Target: x86_64-unknown-linux-gnu
Thread model: posix
InstalledDir: /export/users/amitrokh/llvm/bin-trunk/bin
Found candidate GCC installation: /usr/lib/gcc/i686-redhat-linux/4.8.2
Found candidate GCC installation: /usr/lib/gcc/i686-redhat-linux/4.8.5
Found candidate GCC installation: /usr/lib/gcc/x86_64-redhat-linux/4.8.2
Found candidate GCC installation: /usr/lib/gcc/x86_64-redhat-linux/4.8.5
Selected GCC installation: /usr/lib/gcc/x86_64-redhat-linux/4.8.5
Candidate multilib: .;@m64
Candidate multilib: 32;@m32
Selected multilib: .;@m64
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